Clear the game on HARD.
Clear the game without getting damaged.
Make it to a boss room without getting damaged.
Clear the game in under an hour.
Defeat one of every type of enemy.
Defeat 1000 enemies.
Clear the game without using any energy, mystery, or weapon tanks.
Clear the game without dying.
Defeat the 8 bosses without your helmet on.
Clear the game once.
Clear the game without continuing.
Defeat the 8 bosses with just your default weapon.
